<template>
  <div class="site-wrapper site-page--login">
    <div class="site-content__wrapper">
      <div class="site-content">
        <div class="login-main">
          <h3 class="login-title">{{i18n['login.dialog.title']}}</h3>
          <el-form :model="dataForm"
                   :rules="dataRule"
                   ref="dataForm"
                   @keyup.enter.native="dataFormSubmit()"
                   status-icon>
            <el-form-item prop="userName">
              <el-input v-model="dataForm.userName"
                        :placeholder="i18n['sys.user.field.loginName.title']"></el-input>
            </el-form-item>
            <el-form-item prop="password">
              <el-input v-model="dataForm.password"
                        type="password"
                        :placeholder="i18n['sys.user.field.password.title']"></el-input>
            </el-form-item>
            <el-form-item prop="captcha">
              <el-row :gutter="20">
                <el-col :span="14">
                  <el-input v-model="dataForm.imageCode"
                            :placeholder="i18n['sys.user.field.imageCode.title']">
                  </el-input>
                </el-col>
                <el-col :span="10"
                        class="login-captcha">
                  <img :src="imageCodeSrc"
                       @click="getImageCode()"
                       alt="">
                </el-col>
              </el-row>
            </el-form-item>
            <el-form-item>
              <el-button class="login-btn-submit"
                         type="primary"
                         @click="dataFormSubmit()">{{i18n['sys.user.button.login-system']}}</el-button>
            </el-form-item>
          </el-form>
        </div>
        <div class="brand-info">
          <h2 class="brand-info__text">{{i18n['login.dialog.app.hint']}}</h2>
          <p class="brand-info__intro">{{i18n['login.dialog.app.desc']}}</p>
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import { getUUID, encryptPassword } from '@/utils'
import i18n from '../locales'
export default {
    provide () {
    return {
      i18n: i18n[this.lang]
    }
  },
  props: {
    lang: {
      type: String,
      default: window.SITE_CONFIG.lang
    },
  },
  data () {
    return {
      dataForm: {
        userName: '',
        password: '',
        uuid: '',
        imageCode: ''
      },
      dataRule: {
        userName: [
          { required: true, message: i18n['login.valid.loginName.not-null'], trigger: 'blur' }
        ],
        password: [
          { required: true, message: i18n['login.valid.password.not-null'], trigger: 'blur' }
        ],
        imageCode: [
          { required: true, message: i18n['login.valid.imageCode.not-null'], trigger: 'blur' }
        ]
      },
      imageCodeSrc: '',
      i18n: i18n[this.lang]
    }
  },
  created () {
    this.getImageCode()
  },
  methods: {
    // 提交表单
    dataFormSubmit () {
      this.$refs['dataForm'].validate((valid) => {
        if (valid) {
          this.$http({
            url: this.$http.adornUrl('/login/loginByAccount'),
            method: 'post',
            data: this.$http.adornData({
              'loginName': this.dataForm.userName,
              'loginPassword': encryptPassword(this.dataForm.password),
              'uuid': this.dataForm.uuid,
              'loginApp': 'web.admin',
              'imageCode': this.dataForm.imageCode
            })
          }).then(({ data }) => {
            if (data && data.code === 200) {
              console.log(i18n['login.success.hint'])
              window.sessionStorage.setItem('token', data.data.token)
              this.$router.replace({ name: 'home' })
            } else {
              this.getImageCode()
              this.$message.error(data.msg)
            }
          })
        }
      })
    },
    // 获取验证码
    getImageCode () {
      this.dataForm.uuid = getUUID()
      this.$http({
        url: this.$http.adornUrl('/login/getImageCode'),
        method: 'post',
        data: this.$http.adornData({
          'key': this.dataForm.uuid
        })
      }).then(({ data }) => {
        if (data && data.code === 200) {
          let src = data.data.imageCodeBase64
          this.imageCodeSrc = `data:image/jpeg;base64,${src}`
        } else {
          this.$message.error(data.msg)
        }
      })
    }
  }
}
</script>

<style lang="scss">
.site-wrapper.site-page--login {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  background-color: rgba(38, 50, 56, 0.6);
  overflow: hidden;
  &:before {
    position: fixed;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
    content: "";
    // background-image: url(~@/assets/img/login_bg.jpg);
    background-image: url(../../assets/img/login_bg.jpg);
    background-size: cover;
  }
  .site-content__wrapper {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 0;
    margin: 0;
    overflow-x: hidden;
    overflow-y: auto;
    background-color: transparent;
  }
  .site-content {
    min-height: 100%;
    padding: 30px 500px 30px 30px;
  }
  .brand-info {
    margin: 220px 100px 0 90px;
    color: #fff;
  }
  .brand-info__text {
    margin: 0 0 22px 0;
    font-size: 48px;
    font-weight: 400;
    text-transform: uppercase;
  }
  .brand-info__intro {
    margin: 10px 0;
    font-size: 16px;
    line-height: 1.58;
    opacity: 0.6;
  }
  .login-main {
    position: absolute;
    top: 0;
    right: 0;
    padding: 150px 60px 180px;
    width: 470px;
    min-height: 100%;
    background-color: #fff;
  }
  .login-title {
    font-size: 16px;
  }
  .login-captcha {
    overflow: hidden;
    > img {
      width: 100%;
      cursor: pointer;
    }
  }
  .login-btn-submit {
    width: 100%;
    margin-top: 38px;
  }
}
</style>
